1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "mountallwithfstab_fuzzer.h"
16 #include <iostream>
17 #include "fs_manager/fs_manager.h"
18
19 namespace OHOS {
FuzzMountAllWithFstab(const uint8_t * data,size_t size)20 bool FuzzMountAllWithFstab(const uint8_t* data, size_t size)
21 {
22 bool result = false;
23 FILE *pFile = nullptr;
24 pFile = fopen("fstab.test", "w+");
25 if (pFile == nullptr) {
26 std::cout << "[fuzz] open file fstab.test failed";
27 return false;
28 }
29 if (fwrite(data, 1, size, pFile) != size) {
30 std::cout << "[fuzz] write data to fstab.test failed";
31 (void)fclose(pFile);
32 return false;
33 }
34 (void)fclose(pFile);
35 CloseStdout();
36 Fstab *fstab = ReadFstabFromFile("fstab.test", false);
37 if (!MountAllWithFstab(fstab, false)) {
38 result = true;
39 }
40 return result;
41 }
42 }
43
44 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)45 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
46 {
47 /* Run your code on data */
48 OHOS::FuzzMountAllWithFstab(data, size);
49 return 0;
50 }
51